elephant-dossier/src/main/java/org/turro/dossier/zul/fields/FieldValueGrid.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.turro.dossier.zul.fields;
 
import java.util.Date;
import java.util.List;
import org.turro.dossier.db.DossierPU;
import org.turro.dossier.entity.Dossier;
import org.turro.dossier.entity.FieldDef;
import org.turro.dossier.entity.FieldValue;
import org.turro.elephant.db.WhereClause;
import org.turro.i18n.I_;
import org.turro.jpa.Dao;
import org.turro.zkoss.input.DateboxShort;
import org.turro.zkoss.layout.GridLayout;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.event.EventListener;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Checkbox;
import org.zkoss.zul.Datebox;
import org.zkoss.zul.Doublebox;
import org.zkoss.zul.Longbox;
import org.zkoss.zul.Textbox;
 
public class FieldValueGrid extends GridLayout {
 
  private Dossier dossier;
 
  public void setDossier(Dossier dossier) {
    this.dossier = dossier;
    clearRows();
    if(dossier != null) {
      addRows();
      invalidate();
    }
  }
 
  public void addRows() {
    for(final FieldDef fd : getCategoryFields()) {
      addRow();
      getCurrentRow().setValue(fd);
 
      addCaption(I_.get(fd.getLabelKey()));
 
      if(fd.getJavaClass().equals(String.class)) {
        final Textbox value = new Textbox();
        value.setCols(50);
        value.setText((String) getFieldValue(dossier, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(dossier, fd, value.getText());
          }
        });
        addComponent(value);
      } else if(fd.getJavaClass().equals(Long.class)) {
        final Longbox value = new Longbox();
        value.setValue((Long) getFieldValue(dossier, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(dossier, fd, value.getValue());
          }
        });
        addComponent(value);
      } else if(fd.getJavaClass().equals(Double.class)) {
        final Doublebox value = new Doublebox();
        value.setValue((Double) getFieldValue(dossier, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(dossier, fd, value.getValue());
          }
        });
        addComponent(value);
      } else if(fd.getJavaClass().equals(Date.class)) {
        final Datebox value = new DateboxShort();
        value.setValue((Date) getFieldValue(dossier, fd));
        value.addEventListener(Events.ON_CHANGE, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(dossier, fd, value.getValue());
          }
        });
        addComponent(value);
      } else if(fd.getJavaClass().equals(Boolean.class)) {
        final Checkbox value = new Checkbox();
        Boolean b = (Boolean) getFieldValue(dossier, fd);
        value.setChecked(b == null ? false : b);
        value.addEventListener(Events.ON_CHECK, new EventListener() {
          @Override
          public void onEvent(Event event) throws Exception {
            setFieldValue(dossier, fd, value.isChecked());
          }
        });
        addComponent(value);
      }
    }
  }
 
  private Object getFieldValue(Dossier dossier, FieldDef fd) {
    for(FieldValue fv : dossier.getFieldValues()) {
      if(fv.getFieldDef().getId().equals(fd.getId())) {
        return fv.getObjectValue();
      }
    }
    return null;
  }
 
  private void setFieldValue(Dossier dossier, FieldDef fd, Object value) {
    for(FieldValue fv : dossier.getFieldValues()) {
      if(fv.getFieldDef().getId().equals(fd.getId())) {
        fv.setObjectValue(value);
        return;
      }
    }
    FieldValue fv = new FieldValue();
    fv.setDossier(dossier);
    fv.setFieldDef(fd);
    fv.setObjectValue(value);
    dossier.getFieldValues().add(fv);
  }
 
  private List<FieldDef> getCategoryFields() {
    Dao dao = new DossierPU();
    WhereClause wc = new WhereClause();
    wc.addClause("select distinct fieldDef");
    wc.addClause("from FieldDef as fieldDef");
    wc.addClause("where fieldDef.category = :category");
    wc.addClause("order by fieldDef.order, fieldDef.labelKey");
    wc.addNamedValue("category", dossier.getCategory());
    return (List<FieldDef>) dao.getResultList(wc);
  }
}